diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00soc.c | 159 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00soc.h | 52 |
4 files changed, 216 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index ed1f997e3521..e86895ac2d71 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -95,6 +95,10 @@ config RT2X00_LIB_PCI tristate select RT2X00_LIB +config RT2X00_LIB_SOC + tristate + select RT2X00_LIB + config RT2X00_LIB_USB tristate select RT2X00_LIB diff --git a/drivers/net/wireless/rt2x00/Makefile b/drivers/net/wireless/rt2x00/Makefile index 13043ea97667..5b1ee4f6b8f3 100644 --- a/drivers/net/wireless/rt2x00/Makefile +++ b/drivers/net/wireless/rt2x00/Makefile @@ -11,6 +11,7 @@ rt2x00lib-$(CONFIG_RT2X00_LIB_HT) += rt2x00ht.o obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o +obj-$(CONFIG_RT2X00_LIB_SOC) += rt2x00soc.o obj-$(CONFIG_RT2X00_LIB_USB) += rt2x00usb.o obj-$(CONFIG_RT2400PCI) += rt2400pci.o obj-$(CONFIG_RT2500PCI) += rt2500pci.o diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.c b/drivers/net/wireless/rt2x00/rt2x00soc.c new file mode 100644 index 000000000000..539568c48953 --- /dev/null +++ b/drivers/net/wireless/rt2x00/rt2x00soc.c @@ -0,0 +1,159 @@ +/* + Copyright (C) 2004 - 2009 rt2x00 SourceForge Project + <http://rt2x00.serialmonkey.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the + Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + Module: rt2x00soc + Abstract: rt2x00 generic soc device routines. + */ + +#include <linux/bug.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include "rt2x00.h" +#include "rt2x00soc.h" + +static void rt2x00soc_free_reg(struct rt2x00_dev *rt2x00dev) +{ + kfree(rt2x00dev->rf); + rt2x00dev->rf = NULL; + + kfree(rt2x00dev->eeprom); + rt2x00dev->eeprom = NULL; +} + +static int rt2x00soc_alloc_reg(struct rt2x00_dev *rt2x00dev) +{ + struct platform_device *pdev = to_platform_device(rt2x00dev->dev); + struct resource *res; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENODEV; + + rt2x00dev->csr.base = (void __iomem *)KSEG1ADDR(res->start); + if (!rt2x00dev->csr.base) + goto exit; + + rt2x00dev->eeprom = kzalloc(rt2x00dev->ops->eeprom_size, GFP_KERNEL); + if (!rt2x00dev->eeprom) + goto exit; + + rt2x00dev->rf = kzalloc(rt2x00dev->ops->rf_size, GFP_KERNEL); + if (!rt2x00dev->rf) + goto exit; + + return 0; + +exit: + ERROR_PROBE("Failed to allocate registers.\n"); + rt2x00soc_free_reg(rt2x00dev); + + return -ENOMEM; +} + +int rt2x00soc_probe(struct platform_device *pdev, + const unsigned short chipset, + const struct rt2x00_ops *ops) +{ + struct ieee80211_hw *hw; + struct rt2x00_dev *rt2x00dev; + int retval; + + hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw); + if (!hw) { + ERROR_PROBE("Failed to allocate hardware.\n"); + return -ENOMEM; + } + + platform_set_drvdata(pdev, hw); + + rt2x00dev = hw->priv; + rt2x00dev->dev = &pdev->dev; + rt2x00dev->ops = ops; + rt2x00dev->hw = hw; + rt2x00dev->irq = platform_get_irq(pdev, 0); + rt2x00dev->name = pdev->dev.driver->name; + + rt2x00_set_chip_rt(rt2x00dev, chipset); + + retval = rt2x00soc_alloc_reg(rt2x00dev); + if (retval) + goto exit_free_device; + + retval = rt2x00lib_probe_dev(rt2x00dev); + if (retval) + goto exit_free_reg; + + return 0; + +exit_free_reg: + rt2x00soc_free_reg(rt2x00dev); + +exit_free_device: + ieee80211_free_hw(hw); + + return retval; +} + +int rt2x00soc_remove(struct platform_device *pdev) +{ + struct ieee80211_hw *hw = platform_get_drvdata(pdev); + struct rt2x00_dev *rt2x00dev = hw->priv; + + /* + * Free all allocated data. + */ + rt2x00lib_remove_dev(rt2x00dev); + rt2x00soc_free_reg(rt2x00dev); + ieee80211_free_hw(hw); + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00soc_remove); + +#ifdef CONFIG_PM +int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct ieee80211_hw *hw = platform_get_drvdata(pdev); + struct rt2x00_dev *rt2x00dev = hw->priv; + + return rt2x00lib_suspend(rt2x00dev, state); +} +EXPORT_SYMBOL_GPL(rt2x00soc_suspend); + +int rt2x00soc_resume(struct platform_device *pdev) +{ + struct ieee80211_hw *hw = platform_get_drvdata(pdev); + struct rt2x00_dev *rt2x00dev = hw->priv; + + return rt2x00lib_resume(rt2x00dev); +} +EXPORT_SYMBOL_GPL(rt2x00soc_resume); +#endif /* CONFIG_PM */ + +/* + * rt2x00soc module information. + */ +MODULE_AUTHOR(DRV_PROJECT); +MODULE_VERSION(DRV_VERSION); +MODULE_DESCRIPTION("rt2x00 soc library"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.h b/drivers/net/wireless/rt2x00/rt2x00soc.h new file mode 100644 index 000000000000..5cf114ac2b9c --- /dev/null +++ b/drivers/net/wireless/rt2x00/rt2x00soc.h @@ -0,0 +1,52 @@ +/* + Copyright (C) 2004 - 2009 rt2x00 SourceForge Project + <http://rt2x00.serialmonkey.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the + Free Software Foundation, Inc., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + Module: rt2x00soc + Abstract: Data structures for the rt2x00soc module. + */ + +#ifndef RT2X00SOC_H +#define RT2X00SOC_H + +#define KSEG1ADDR(__ptr) __ptr + +#define __rt2x00soc_probe(__chipset, __ops) \ +static int __rt2x00soc_probe(struct platform_device *pdev) \ +{ \ + return rt2x00soc_probe(pdev, (__chipset), (__ops)); \ +} + +/* + * SoC driver handlers. + */ +int rt2x00soc_probe(struct platform_device *pdev, + const unsigned short chipset, + const struct rt2x00_ops *ops); +int rt2x00soc_remove(struct platform_device *pdev); +#ifdef CONFIG_PM +int rt2x00soc_suspend(struct platform_device *pdev, pm_message_t state); +int rt2x00soc_resume(struct platform_device *pdev); +#else +#define rt2x00soc_suspend NULL +#define rt2x00soc_resume NULL +#endif /* CONFIG_PM */ + +#endif /* RT2X00SOC_H */ |